Thailand Weather Forecast

Current conditions and 7-day forecast for every tourist destination in Thailand. Updated every 30 minutes.

Thailand's Three Seasons

Hot Season

March - May

The hottest months with temperatures often exceeding 38°C in central Thailand. Humidity is high and afternoon thunderstorms are possible.

Stay hydrated — carry water at all times
Avoid prolonged sun exposure between 11am - 3pm
Wear sunscreen SPF 50+ and a hat
Air-conditioned transport is worth the extra cost

Rainy Season

June - October

Monsoon season brings daily downpours, usually in the afternoon. Mornings are often sunny. Flooding possible in low-lying areas.

Pack a compact rain jacket — umbrellas break in strong wind
Check ferry schedules — island services may be suspended
Avoid river crossings during flash flood warnings
Roads get slippery — extra caution on scooters

Cool Season

November - February

The most comfortable season for travel. Temperatures are pleasant (20-30°C) with low humidity. Peak tourist season.

Book accommodation early — this is peak season
Northern Thailand can drop below 15°C at night
Best conditions for outdoor activities and trekking
Beach conditions are generally safest during this period

Monsoon Calendar by Coast

Thailand's monsoon affects different coasts at different times. The Andaman coast (west) and Gulf coast (east) have opposite wet seasons — when one is rainy, the other is often dry.

Month	Andaman Coast	Gulf Coast	Central & North
January	Dry	Wet	Cool & Dry
February	Dry	Dry	Dry
March	Dry	Dry	Hot
April	Transition	Dry	Hot
May	Wet	Transition	Wet
June	Wet	Transition	Wet
July	Wet	Transition	Wet
August	Wet	Transition	Wet
September	Wet	Wet	Wet
October	Wet	Wet	Wet
November	Transition	Wet	Cool & Dry
December	Dry	Wet	Cool & Dry

Weather by Destination

Bangkok

Phuket

Chiang Mai

Koh Samui

Surat Thani

Pattaya

Chonburi

Krabi

Koh Phangan

Surat Thani

Koh Tao

Surat Thani

Pai

Mae Hong Son

Hua Hin

Prachuap Khiri Khan

Koh Lanta

Krabi

Koh Chang

Trat

Ayutthaya

Phra Nakhon Si Ayutthaya

Sukhothai

Chiang Rai

Surat Thani

Phang Nga

Trang

Satun

Nakhon Ratchasima

Kanchanaburi

Lopburi

Nong Khai

Udon Thani

Rayong

Samut Prakan

Nonthaburi

Pathum Thani

Ang Thong

Sing Buri

Chai Nat

Saraburi

Nakhon Nayok

Nakhon Pathom

Samut Sakhon

Samut Songkhram

Suphan Buri

Chanthaburi

Chachoengsao

Prachinburi

Sa Kaeo

Ratchaburi

Phetchaburi

Tak

Lampang

Lamphun

Nan

Phayao

Phrae

Uttaradit

Phitsanulok

Phetchabun

Phichit

Kamphaeng Phet

Nakhon Sawan

Uthai Thani

Khon Kaen

Buriram

Surin

Sisaket

Si Sa Ket

Ubon Ratchathani

Yasothon

Chaiyaphum

Amnat Charoen

Bueng Kan

Nong Bua Lamphu

Nong Bua Lam Phu

Loei

Maha Sarakham

Roi Et

Kalasin

Sakon Nakhon

Nakhon Phanom

Mukdahan

Chumphon

Ranong

Nakhon Si Thammarat

Phatthalung

Songkhla

Pattani

Yala

Narathiwat

Frequently Asked Questions

What is the best time to visit Thailand?

The cool season (November to February) is generally the best time to visit Thailand. Temperatures are comfortable, humidity is low, and there's minimal rain. However, this is peak tourist season — book accommodation early. The shoulder months (March, October) offer fewer crowds with acceptable weather.

Does Thailand have a monsoon season?

Yes, Thailand has a monsoon season roughly from June to October, though the timing varies by coast. The Andaman coast (Phuket, Krabi) is wettest May-October, while the Gulf coast (Koh Samui, Koh Phangan) peaks in October-December. Rain usually comes in short afternoon bursts, leaving mornings clear.

How hot does Thailand get?

During the hot season (March-May), temperatures regularly exceed 38°C in central Thailand with high humidity. The "feels like" temperature can surpass 45°C. Coastal areas are slightly cooler due to sea breezes, and northern mountains are more moderate.

Is it safe to travel during rainy season?

Yes, millions of tourists visit during rainy season. Rain is usually brief (1-2 hours in the afternoon). Main risks are flooding in low-lying areas, ferry cancellations to islands, and slippery roads for scooters. Benefits include lower prices, fewer crowds, and lush green scenery.

What is Chiang Mai's burning season?

From February to April, crop burning in northern Thailand creates hazardous smoke haze. Chiang Mai's AQI regularly exceeds 200 (unhealthy) and can top 400. If visiting during this period, bring N95 masks and consider staying indoors on bad days. Check AQI levels daily.